GB8813646D0 - Improvements relating to gerotor pumps - Google Patents

Improvements relating to gerotor pumps

Info

Publication number
GB8813646D0
GB8813646D0 GB888813646A GB8813646A GB8813646D0 GB 8813646 D0 GB8813646 D0 GB 8813646D0 GB 888813646 A GB888813646 A GB 888813646A GB 8813646 A GB8813646 A GB 8813646A GB 8813646 D0 GB8813646 D0 GB 8813646D0
Authority
GB
United Kingdom
Prior art keywords
improvements relating
gerotor pumps
gerotor
pumps
relating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB888813646A
Other versions
GB2219631A (en
GB2219631B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Concentric Pumps Ltd
Original Assignee
Concentric Pumps Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Concentric Pumps Ltd filed Critical Concentric Pumps Ltd
Priority to GB8813646A priority Critical patent/GB2219631B/en
Publication of GB8813646D0 publication Critical patent/GB8813646D0/en
Priority to DE8989305358T priority patent/DE68902190T2/en
Priority to JP1506164A priority patent/JP2740975B2/en
Priority to AT89305358T priority patent/ATE78556T1/en
Priority to AU37610/89A priority patent/AU614639B2/en
Priority to BR898907478A priority patent/BR8907478A/en
Priority to EP89305358A priority patent/EP0345978B1/en
Priority to KR1019890702200A priority patent/KR970003256B1/en
Priority to ES198989305358T priority patent/ES2034633T3/en
Priority to PCT/GB1989/000587 priority patent/WO1989012167A1/en
Priority to CA000601552A priority patent/CA1333456C/en
Priority to ZA894260A priority patent/ZA894260B/en
Priority to NZ229444A priority patent/NZ229444A/en
Priority to AR314124A priority patent/AR241092A1/en
Priority to US07/377,425 priority patent/US4986739A/en
Publication of GB2219631A publication Critical patent/GB2219631A/en
Priority to FI905986A priority patent/FI100062B/en
Application granted granted Critical
Publication of GB2219631B publication Critical patent/GB2219631B/en
Priority to GR920402356T priority patent/GR3006025T3/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2250/00—Geometry
    • F04C2250/10—Geometry of the inlet or outlet
    • F04C2250/101—Geometry of the inlet or outlet of the inlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
GB8813646A 1988-06-09 1988-06-09 Improvements relating to gerotor pumps Expired - Lifetime GB2219631B (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
GB8813646A GB2219631B (en) 1988-06-09 1988-06-09 Improvements relating to gerotor pumps
DE8989305358T DE68902190T2 (en) 1988-06-09 1989-05-26 INTERNAL GEAR PUMP.
JP1506164A JP2740975B2 (en) 1988-06-09 1989-05-26 Improvements on gerotor pump
AT89305358T ATE78556T1 (en) 1988-06-09 1989-05-26 INTERNAL GEAR PUMP.
AU37610/89A AU614639B2 (en) 1988-06-09 1989-05-26 Improvements relating to gerotor pumps
BR898907478A BR8907478A (en) 1988-06-09 1989-05-26 IMPROVEMENTS RELATING TO THE GENERATOR ROTOR PUMP
EP89305358A EP0345978B1 (en) 1988-06-09 1989-05-26 Improvements relating to gerotor pumps
KR1019890702200A KR970003256B1 (en) 1988-06-09 1989-05-26 Gerotor pump
ES198989305358T ES2034633T3 (en) 1988-06-09 1989-05-26 IMPROVEMENTS INTRODUCED IN INTERNAL GEAR PUMPS.
PCT/GB1989/000587 WO1989012167A1 (en) 1988-06-09 1989-05-26 Improvements relating to gerotor pumps
CA000601552A CA1333456C (en) 1988-06-09 1989-06-02 Gerotor pumps
ZA894260A ZA894260B (en) 1988-06-09 1989-06-05 Gerotor pumps
NZ229444A NZ229444A (en) 1988-06-09 1989-06-07 Gerotor pump with fluid transfer passages extending through pump lobes
AR314124A AR241092A1 (en) 1988-06-09 1989-06-09 IMPROVEMENTS IN GEROTOR PUMPS.
US07/377,425 US4986739A (en) 1988-06-09 1989-07-07 Gerotor pump having axial fluid transfer passages through the lobes
FI905986A FI100062B (en) 1988-06-09 1990-12-04 Improvements in gear pumps
GR920402356T GR3006025T3 (en) 1988-06-09 1992-10-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8813646A GB2219631B (en) 1988-06-09 1988-06-09 Improvements relating to gerotor pumps

Publications (3)

Publication Number Publication Date
GB8813646D0 true GB8813646D0 (en) 1988-07-13
GB2219631A GB2219631A (en) 1989-12-13
GB2219631B GB2219631B (en) 1992-08-05

Family

ID=10638341

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8813646A Expired - Lifetime GB2219631B (en) 1988-06-09 1988-06-09 Improvements relating to gerotor pumps

Country Status (17)

Country Link
US (1) US4986739A (en)
EP (1) EP0345978B1 (en)
JP (1) JP2740975B2 (en)
KR (1) KR970003256B1 (en)
AR (1) AR241092A1 (en)
AT (1) ATE78556T1 (en)
AU (1) AU614639B2 (en)
BR (1) BR8907478A (en)
CA (1) CA1333456C (en)
DE (1) DE68902190T2 (en)
ES (1) ES2034633T3 (en)
FI (1) FI100062B (en)
GB (1) GB2219631B (en)
GR (1) GR3006025T3 (en)
NZ (1) NZ229444A (en)
WO (1) WO1989012167A1 (en)
ZA (1) ZA894260B (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9015291D0 (en) * 1990-07-11 1990-08-29 Concentric Pumps Ltd Improvements in gerotor pumps
EP0473025B1 (en) * 1990-08-20 1993-11-03 BARMAG LUK AUTOMOBILTECHNIK GMBH & CO.KG Internal-gear pump for hydraulic fluid
DE59101434D1 (en) * 1990-08-20 1994-05-26 Barmag Luk Automobiltech Internal gear pump for hydraulic fluid.
EP0474001B1 (en) * 1990-09-01 1995-01-04 BARMAG LUK AUTOMOBILTECHNIK GMBH & CO.KG Internal gear pump for hydraulic fluids
GB2292421B (en) * 1994-08-16 1998-04-22 Concentric Pumps Ltd Gerotor pumps
DE29710407U1 (en) * 1996-11-12 1997-07-31 Voith Turbo Kg Internal gear pump with drive via the ring gear
KR19980078907A (en) * 1997-04-30 1998-11-25 김영귀 Rotor structure of oil pump for automatic transmission
FI107285B (en) 1998-02-26 2001-06-29 Ahlstrom Paper Group Oy Replacement pump, procedure for improving its function and use of the pump
US7726959B2 (en) * 1998-07-31 2010-06-01 The Texas A&M University Gerotor apparatus for a quasi-isothermal Brayton cycle engine
US6427453B1 (en) * 1998-07-31 2002-08-06 The Texas A&M University System Vapor-compression evaporative air conditioning systems and components
US7186101B2 (en) * 1998-07-31 2007-03-06 The Texas A&M University System Gerotor apparatus for a quasi-isothermal Brayton cycle Engine
JP2002521608A (en) 1998-07-31 2002-07-16 ザ・テキサス・エイ・アンド・エム・ユニバーシティ・システム Quasi-isothermal brighton cycle engine
US6149409A (en) * 1999-08-02 2000-11-21 Ford Global Technologies, Inc. Cartridge vane pump with dual side fluid feed and single side inlet
US6575719B2 (en) 2000-07-27 2003-06-10 David B. Manner Planetary rotary machine using apertures, volutes and continuous carbon fiber reinforced peek seals
JP2002098063A (en) * 2000-09-26 2002-04-05 Aisin Seiki Co Ltd Oil pump
AU2003210875A1 (en) * 2002-02-05 2003-09-02 The Texas A And M University System Gerotor apparatus for a quasi-isothermal brayton cycle engine
US7663283B2 (en) * 2003-02-05 2010-02-16 The Texas A & M University System Electric machine having a high-torque switched reluctance motor
US8225873B2 (en) 2003-02-21 2012-07-24 Davis Raymond C Oil well pump apparatus
US7275592B2 (en) * 2003-02-21 2007-10-02 Davis Raymond C Oil well pump apparatus
BRPI0507055A (en) * 2004-01-23 2007-06-19 Texas A & M Univ Sys powerplant for a quasi-isothermal brayton cycle motor
KR20070072916A (en) * 2004-10-22 2007-07-06 더 텍사스 에이 & 엠 유니버시티 시스템 Gerotor apparatus for a quasi-isothermal brayton cycle engine
GB2521874A (en) * 2014-01-07 2015-07-08 Perkins Engines Co Ltd Gerotor pump assembly, an engine fluid delivery system using a gerotor pump assembly and miscellaneous components
EP3271584B1 (en) 2015-03-16 2020-05-06 Saudi Arabian Oil Company Equal-walled gerotor pump for wellbore applications
US11371326B2 (en) 2020-06-01 2022-06-28 Saudi Arabian Oil Company Downhole pump with switched reluctance motor
US11499563B2 (en) 2020-08-24 2022-11-15 Saudi Arabian Oil Company Self-balancing thrust disk
US11920469B2 (en) 2020-09-08 2024-03-05 Saudi Arabian Oil Company Determining fluid parameters
US11644351B2 (en) 2021-03-19 2023-05-09 Saudi Arabian Oil Company Multiphase flow and salinity meter with dual opposite handed helical resonators
US11591899B2 (en) 2021-04-05 2023-02-28 Saudi Arabian Oil Company Wellbore density meter using a rotor and diffuser
US11913464B2 (en) 2021-04-15 2024-02-27 Saudi Arabian Oil Company Lubricating an electric submersible pump

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065426B (en) * 1959-09-17 Borsig Aktiengesellschaft, Berlin-Tegel und Felix Wankel, Lindau (Bodensee) Rotary piston machine with sealing gaps narrowed by coatings
US2866417A (en) * 1956-06-11 1958-12-30 Hanomag Ag Rotary piston machine
US2989951A (en) * 1959-04-29 1961-06-27 Germane Corp Rotary fluid pressure device
US3034484A (en) * 1961-02-02 1962-05-15 Stefancin Carl Rotary engine
US4235217A (en) * 1978-06-07 1980-11-25 Cox Robert W Rotary expansion and compression device
US4411606A (en) * 1980-12-15 1983-10-25 Trw, Inc. Gerotor gear set device with integral rotor and commutator
CA1217089A (en) * 1982-03-23 1987-01-27 Hollis N. White, Jr. Rotary gerotor hydraulic device with fluid control passageways through the rotor
US4449898A (en) * 1982-06-07 1984-05-22 Vickers, Incorporated Power transmission
JPS5954506A (en) * 1982-09-22 1984-03-29 千代田技研工業株式会社 Manufacture of rough surface concrete product
JPS5982594A (en) * 1982-10-29 1984-05-12 Sumitomo Electric Ind Ltd Rotary pump
DE3243394C2 (en) * 1982-11-24 1986-07-03 Danfoss A/S, Nordborg Parallel and inner-axis rotary piston machine
US4699577A (en) * 1986-05-06 1987-10-13 Parker Hannifin Corporation Internal gear device with improved rotary valve
JPS63117184A (en) * 1986-11-04 1988-05-21 Sumitomo Electric Ind Ltd Rotary pump
JP2593858B2 (en) * 1986-11-20 1997-03-26 住友電気工業株式会社 Internal gear rotary pump

Also Published As

Publication number Publication date
NZ229444A (en) 1991-04-26
JP2740975B2 (en) 1998-04-15
GR3006025T3 (en) 1993-06-21
AR241092A1 (en) 1991-10-31
CA1333456C (en) 1994-12-13
AU614639B2 (en) 1991-09-05
ES2034633T3 (en) 1993-04-01
AU3761089A (en) 1990-01-05
AR241092A2 (en) 1991-10-31
EP0345978A1 (en) 1989-12-13
EP0345978B1 (en) 1992-07-22
KR900700759A (en) 1990-08-16
BR8907478A (en) 1991-04-02
JPH04505041A (en) 1992-09-03
KR970003256B1 (en) 1997-03-15
DE68902190D1 (en) 1992-08-27
ATE78556T1 (en) 1992-08-15
FI100062B (en) 1997-09-15
US4986739A (en) 1991-01-22
FI905986A0 (en) 1990-12-04
ZA894260B (en) 1990-09-26
DE68902190T2 (en) 1993-03-04
GB2219631A (en) 1989-12-13
WO1989012167A1 (en) 1989-12-14
GB2219631B (en) 1992-08-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930609